Vu, Ngoc, and Phuc Pham. 2022. “Umbilical Cord-Derived Mesenchymal Stem Cell Transplantation for COVID-19 Patients: Long-Term Benefits for Lung Regeneration”. Biomedical Research and Therapy 9 (2), 4950-52. https://doi.org/10.15419/bmrat.v9i2.725.